题目列表(包括答案和解析)
| 2 |
| 2 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 4 |
| 4 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 3 |
| 4 |
| 2 |
| 3 |
| 2 |
| 4 |
| 3 |
| 4 |
| n |
| n+1 |
| n+1 |
| n |
| n+1 |
| n |
| 1 |
| 2 |
| 2 |
| 3 |
| 2012 |
| 2013 |
| 2013 |
| 2013 |
| 1 |
| 2 |
| 2 |
| 3 |
| n |
| n+1 |
| n+1 |
| n+1 |
| 1 | ||
|
1×(
| ||||
(
|
| ||
| 2-1 |
| 2 |
| 1 | ||||
|
1×(
| ||||||||
(
|
| ||||
| 3-2 |
| 3 |
| 2 |
| 1 | ||||
|
| 4 |
| 3 |
| 1 | ||
|
| 1 | ||||
|
| 1 | ||||
|
| 1 | ||||
|
| 2013 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 20 |
| 1 |
| 30 |
| 1 |
| 42 |
| 1 |
| 56 |
| 1 |
| 56 |
| 1 |
| n(n+1) |
| 1 |
| n(n+1) |
| 1 |
| 132 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 20 |
| 1 |
| 30 |
| 1 |
| 42 |
| 1 |
| 2010×2011 |
| 1 |
| 1×2 |
| 1 |
| 2 |
| 1 |
| 2×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3×4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| n(n+1) |
| 1 |
| n(n+2) |
| 1 |
| 2 |
| 1 |
| n |
| 1 |
| n+2 |
| 1 |
| x(x+3) |
| 1 |
| (x+3)(x+6) |
| 1 |
| (x+6)(x+9) |
| 3 |
| 2x+18 |
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